4 oz. package. Mix 1 pouch per 128 gallons of drinking water OR mix contents of 1 pouch to 1 gallon of water as the stock solution. Use 2 Tbs. of stock solution per 1 gallon of drinking water. Prepare fresh daily. Provide for 2-5 days. 

Guaranteed analysis per 4 oz includes:
Salt 11.0% (min), 13.2% (max)
Sodium 4.70%
Potassium 3.80%
Magnesium 0.26%
Vitamin A 2,500,000 IU
Vitamin D3 1,000,000 IU
Vitamin E 2,000 IU
Riboflavin 750 mg
Pantothenic Acid 2,000 mg 
Folic Acid 125 mg
Thiamine 375 mg
Niacin 5,000 mg
Pyridoxine 300 mg
Ascorbic Acid (Vitamin C) 3,750 mg
Vitamin B12 2.5 mg
Menadione (Vitamin K) 1,000 mg